10 FORC=1TO24:PRINT:IFC=17THENGOSUB110
20 NEXTC
30 GOSUB100:RESTORE:PRINT" What tube are you":PRINT
40 INPUT" looking for";A$
50 READB$,C$
60 IFC$="0"THENGOSUB100:PRINT"SORRY, OUT OF STOCK.":GOTO30
65 IFB$=A$THEN73
70 IFVAL(C$)=0THENREADE$:GOTO50
72 GOTO50
73 IFVAL(C$)=0THENREADE$:D$=C$:C$=E$:GOTO80
76 D$=""
80 GOSUB100:PRINT" GOOD NEWS. WE HAVE":PRINT:PRINT" ";C$;" ";B$;D$;
85 IFVAL(C$)>1THENPRINT"'S";
90 PRINT" IN STOCK"
91 FORT=1TO3000:NEXTT
92 READB$,C$
94 IFB$=A$THEN73
95 IFB$="A"THEN30
96 IFVAL(C$)=0THENREADE$
98 GOTO92
100 PRINT:PRINTTAB(6);"******":PRINT:RETURN
110 PRINT" ROBERT G. PARSONS'":PRINT:PRINT" COMPUTER TUBE LIST":RETURN
210 DATA0A3,2,0A4,1,0B2,2,0C3,1,0D3,1,1A7,GT,1,1AX2,4,1C6,1,1G3,GT,5
220 DATA1H5,2,1J3,1,1N5,GT,2,1P5,GT,1,1R5,4,1S5,4,1U4,6,1U5,2,1X2,B,4
230 DATA2A5,1,2A7,2,2BN4,A,3,2CY5,2,2GK5,1,2HK5,1,2X2,2,3A3,B,1,3AL5,1
240 DATA3BC5,2,3BN6,6,3BU8,1,3BY6,1,3BZ6,4,3CB6,6,3CS6,1,3CY5,4,3DG4,1
250 DATA3DK6,4,3ER5,1,3FS5,1,3GK5,1,3HA5,1,3S4,1,3V4,2,4BN6,1,4BQ7,A,5
260 DATA4BU8,1,4BZ6,7,4CB6,4,4DT6,1,4GK5,1,5AM8,1,5AN8,1,5AQ5,2,5AR4,1
270 DATA5AT8,3,5AU4,2,5AX8,3,5CG8,3,5CL8,A,2,5CZ5,1,5GH8,A,1,5GS7,2
280 DATA5J6,3,5T8,1,5U4,GB,5,5U8,5,5V4,G,3,5V6,GT,1,5W4,1,5Y3,G,1
290 DATA5Y3,GT,3,5Y3,GT/G,1,5Y4,G,2,6A7,2,6AC7,6,6AF4,2,6AG5,7,6AG7,3
300 DATA6AH4,5,6AH4,GT,1,6AH6,4,6AH8,1,6AJ6,1,6AK5,2,6AK6,2,6AK8,1
310 DATA6AL3,1,6AL5,4,6AM8,A,3,6AN8,A,3,6AQ5,19,6AQ6,4,6AQ7,GT,1,6AS5,
320 DATA3,6AS8,2,6AT8,A,2,6AU4,GT,2,6AU5,GT,1,6AU6,10,6AU8,3,6AV5,GA,2
330 DATA6AV6,5,6AW8,2,6AW8,A,1,6AX4,10,6AX4,GTB,3,6B8,2,6BA6,3,6BA8,A
340 DATA1,6BC5,7,6BC8,1,6BE6,1,6BG6,G,1,6BH8,3,6BJ6,3,6BK5,2,6BK7,1
350 DATA6BL7,G,1,6BL8,14,6BN4,A,3,6BN6,1,6BN8,3,6BQ5,7,6BQ6,GA,3
360 DATA6BQ6,GTA,1,6BQ6,GTB,4,6BQ7,9,6BR8,A,1,6BS8,4,6BU8,3,6BX7,G,1
370 DATA6BY5,GT,1,6BY8,2,6BZ6,3,6BZ7,2,6BZ8,2,6C4,9,6C5,1,6CB6,15
380 DATA6CD6,2,6CD6,GA,1,6CF6,6,6CF7,1,6CG7,17,6CG8,A,3,6CJ3,1,6CL6,1
390 DATA6CM6,3,6CM7,6,6CN7,2,6CQ8,6,6CR6,1,6CS6,1,6CU8,1,6CX8,4,6CY5,5
400 DATA6D6,5,6DA5,1,6DE4,1,6DE6,3,6DK6,2,6DN7,1,6DQ6,1,6DQ6,B,3,6DS4,
410 DATA1,6DT6,A,2,6DW4,B,1,6DX8,1,6DY4,1,6E5,1,6EA7,1,6EA8,6,6EB8,1
420 DATA6EJ7,1,6ER5,1,6ES5,2,6EW6,1,6F5,1,6F7,1,6F8,G,3,6FD7,1,6FG7,3
430 DATA6FQ7,8,6GE5,1,6GF7,A,2,6GH8,A,5,6GK5,3,6GK6,2,6GN8,2,6GU7,2
440 DATA6GY6,2,6H6,2,6HA5,2,6HF8,1,6HG8,1,6HJ8,1,6HS8,9,6J4,2,6J5,1
450 DATA6J5,GT,1,6J6,A,4,6J7,2,6JC5,1,6JC6,A,2,6JH6,1,6JM6,1,6JN6,1
460 DATA6JN8,1,6JU8,A,1,6K6,GT,4,6K7,15,6K7,GT,1,6K8,1,6KA8,1,6KE8,4
470 DATA6KT8,1,6LJ8,1,6LT8,2,6N7,3,6P5,3,6P5,GT,1,6S4,A,6,6SA7,6,6SC7
480 DATA2,6SF5,2,6SG7,2,6SJ7,4,6SK7,2,6SL7,2,6SN7,3,6SN7,GT,8,6SQ7,10
490 DATA6T4,1,6T8,3,6T8,A,4,6U5,1,6U7,1,6U8,1,6U8,A,2,6V3,A,2,6V6,2
500 DATA6V6,GT,6,6W6,GT,2,6X4,5,6X5,5,6X8,10,6Z10,1,7A4,1,7A5,1,7A6,1
510 DATA7A7,2,7A8,1,7B7,1,7C5,1,7C7,1,7F8,2,7N7,4,7N7,GT,1,7V7,1
520 DATA7AU7,1,7AF7,1,7HG8,1,8AU8,1,8B10,1,8BA11,1,8CG7,3,8CM7,2,8CN7,
530 DATA2,8LT8,2,9A8,1,9AU7,1,10DE7,2,10GK6,1,10GN8,2,11AR11,11,117L7,
540 DATA117Z6,1,12A6,10,12A8,1,12AB5,2,12AT7,A,1,12AU6,1,12AU7,A,8
550 DATA12AV6,8,12AX4,GTB,4,12AX7,A,4,12AZ7,1,12B4,3,12B4,A,2,12BA6,6
560 DATA12BA7,4,12BE6,7,12BH7,A,6,12BR7,1,12BY7,2,12BZ7,1,12CA5,1
570 DATA12DT8,3,12DQ6,2,12DQ6,B,2,12FX5,1,12GN7,A,4,12K8,1,12L6,1
580 DATA12Q7,1,12SA7,3,12SF7,1,12SG7,1,12SH7,2,12SJ7,1,12SK7,7
590 DATA12SN7,GT,1,12SQ7,11,13DR7,1,13EN7,1,14A7,1,14B6,2,15BD11,1
600 DATA15CW5,1,17AX4,1,17BE3,1,17BF11,1,17CT3,1,17D4,1,17DQ6,2
610 DATA17DQ6,B,2,17EW8,1,17J28,1,19CL8,A,1,19T8,5,2050,3,25AX4,GT,2
620 DATA25BQ6,5,25BQ6,GA,1,25BQ6,GT,1,25C5,3,25L6,1,25L6,GT,4,25W4,2
630 DATA25Z5,2,25Z6,GT,1,26,4,27,2,33G47,A,1,33CYL,A,1,35A5,2,35C5,4
640 DATA35L6,GT,2,35W4,5,35Y4,2,35Z3,1,35Z5,1,35Z5,GT,5,41,4,45,6
650 DATA50A5,1,50B5,1,50C5,7,50EH5,1,50L6,GT,6,53,1,55,2,56,2,57,3,58
660 DATA2,59,2,6010,1,6146,A,1,71,A,3,75,2,76,3,78,1,CRC78,1,80,4,82,1
670 DATA884,6,VR90,1,9001,1,9002,1,9003,1
10000 DATAA,0
